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I am using the esb_tx example on an nRF51 DK board modified to send BLE advertising packets at 1 KHz.
I am receiving the packets on a BlueTooth sniffer. The contents of packets is fine, but about 5% of the ... (more)
Can nRF51422 or nRF51822 can be used as bluetooth device for Raspberry pi?
As I can see on the terminal Linux, the
hciconfig log says, raspberry pi 3's Bluetooth device is connected to board with UART Connection.
I'm ... (more)
I created an characteristic that has MAX_Length = 20 Bytes characteristic.
And When I'm trying to write less than 20bytes on this Characteristic, It Always send with 20Bytes with Zero filled data bytes.
For example, I'd like to write ... (more)
I am trying to program my custom board using the debug out from the nrf51-DK. I connect all the needed pins and on the nrfgo select the Segger but when I do this my nrf51-DK resets and it ... (more)
I'm wondering if my nRF DK51 is not broken as it behaves quite strange when trying to connect with a BLE Central (iOS and Android devices). For most of the part everything is ok (flashing, RTT, UART, BLE ... (more)
Our workshop is using custom PCBs for other manufacturer's developer kits, and I'd like to do a similar shield for our nRF51-DK boards. Can anyone provide a KiCad project file including schematic and board?
I'm working on a project based on the ble_app_uart_c central example in SDK 12.1. I'm polling the RSSI of a Nordic beacon using sd_ble_gap_rssi_get(), and the fastest update in RSSI I can get is between 60 and ... (more)
I'm trying to program a nRF51822 custom board using Debug out pin P19 of NRF51-DK through Keil MDK, here is the problem I encounter:
To simplify I just use the simple blinky_s130_pca10028 project. First I compile and load the ... (more)
I haven't been able to find a drawing file for the nRF51 Development Kit. Is there one out there?
Ideally, I'd like to get the drawing and a *.STP file for SolidWorks.
I'm trying to use the PPK with an nRF51 dev board, and I'm getting this output whenever I try to start the PPK Software:
Checking installed packages pyside: 1.2.4 pyqtgraph: 0.10.0 numpy: 1.11 ...
I am using the nrf51-dk on windows 10 and I tried to apply the latest mbed bootloader. After I do that and restart the chip, the device seems to mount and dismount repeatedly. I tried to download a simple program ... (more)
Hello, i need to count 1 or 2 minutes. Someone can recommend me if to do that is easier to use app_timer or RTC?
Which is the value that i have to put in the prescaler?
I work with nRF51 ... (more)
Hello, this is what I can think of when porting a project, but before that, a little background about my project:
it uses BLE (duh)
it uses uart to print test output
it uses buttons and leds as runtime indication ... (more)
Im based in the example of SDK12.0 - MULTILINK_CENTRAL and i have to know the RRSI value in dbm if it is possible from the peripheral device that is connected to me but i couldn't do that.
Somebody can ... (more)
I have a question about the SPI pin number on nrf51 Dk.
I don't understand when i look into the pca10028.h file, i see this mapping:
#define SPIM0_SCK_PIN 4 #define SPIM0_MOSI_PIN 1 #define SPIM0_MISO_PIN 3 #define ...
I am having interface nRF51 with RF receiver. Output of RF receiver connected with GPIO pin of nRF51.
How can I detect interrupt on gpio pin?
Thanks & Regards, Rajneesh
I have 2 chip; Bluegiga and nRF51-DK
I can easily advertise my custom service in Bluegiga chip. As you can see, nRF Connect application shows my service so that i can scan peripherals with service and connect via ... (more)
I am interfacing nRF905 as a receiver mode which are interface with nRF51 DK.
As a transmitter used this module https://www.alibaba.com/product-detai...
Can I receive data from above transmitter in nRF905?
I have ported receiver ... (more)
I tried to get the ble_app_proximity example to work today, with either the nRF51-DK, nRF51-Dongle or nRF52-DK, along with the Nordic Connect app on Android.
I encounter the following issues:
With nRF5 SDK v11, the code size became too large ... (more)
I'm trying cominicar me through Termite between the application plate (nRF51-Dk kit) and a device that supports BLE, but the connection between PC and the kit application I am doing through the TX and RX ports. But I can ... (more)
I'm trying to test the DFU over HCI included in the SDK examples but I can't make it work. This is all the information of the environment I'm using:
Hi I am getting some weird response from my nRF51-DK.
Situation 1: When I try to flash it with the Blinky code (\sdk11\examples\peripheral\blinky\pca10028\s130\arm5_no_packs) it builds, and flashes successfully. But it does not run the ... (more)
Hi guys, I'm facing some trouble to put my rtc working properly. I made a code based on the rtc example but it's not incrementing the time the right way.
Bellow follows my code, it's just to ... (more)
Hello, I just run in following issue. I try to configure an UART to send some bytes. To check the configuration, I just let the program loop, after the sending. Attached an osziloskop to the pin where I've expected ... (more)
In order to teach a class of students using nRF developer boards I'd like to use the nRF Blinky application running on Android, iOS, or whatever mobile platform. The problem is that we don't have the source code ... (more)
I have programmed nrf51-dk with an example code available at mbed platform,everything works fine except that the ble is visible even if we open bluetooth menu.It is scanned and in the bluetooth scan list. I had read somewhere ... (more)
Updates are moved to the end of the question
I created a modified version of pca10028.h and boards.h and have preprocessors changed so that the following new config is loaded:
// Custom LEDs definitions for PCA10028 #define LEDS_NUMBER 1 ...
Question for anyone familiar with mBed code on nRF51 devices (I have cross posted on mBed, but trying my luck here too):
I'm developing an nRF51822 program using the nRF51-DK dev kit which claims to support development for both ... (more)
(/attachment/41972e0db37f912bba4731a3b5ffe839)(/attachment/0838bef738e72c89e2a9af90d6e3f640)(/attachment/a62ce68db8c9d23b285a9f94a5c9beac)I have been developing on the nRF51 DK for some time with no trouble. I am using nRFgo studio to erase and flash softdevice s130. I am using uVision for development and flashing applications ... (more)
I have an nRF51 DK, found here https://www.nordicsemi.com/eng/Produc.... I am using SDK V11.0 and S130 V2.0. I am developing on a Linux machine.
I can compile and run the blinky example successfully ... (more)